a4566f5e2746321e4c9fb122096fbdd201befaca64bab761efb345268a26f594

General

Target
2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Size 913KB
Sample260824-tsmg4sam2z
SHA256 a4566f5e2746321e4c9fb122096fbdd201befaca64bab761efb345268a26f594
MD5 1a8e92f4102c1c889d4866dfbfa7aab6
SHA1 f059c8d7ce18e6899ad19efba2375db1120690a6
SHA512 ff1c00314086bf2fb4bc9a9d8cef9052f5fb12fd09107a907ad9522026b8102f02b76a4f771aed8a4dc917ccfa8193c6064b8c09a68bd2557f9fcfa912fc9ff3
SSDEEP 12288:MfDp5kpM4EPCagq/VliujYEllspomgNwfJ/Mf53G+CfhEgC4skeAd/r1ZjiLAlC+:WkpOP+iVliUYEQpTgNwIVKSnmyLAlg
TLSH
T1C615CF73B1D28833D57210B0455957156BBBF9320438FE8B27D49E4D6FB8AC29A2A733
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution exploit persistence privilege_escalation

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	System Idle Process

Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	System Idle Process

Detects executables embedding registry key / value combination manipulating RDP / Terminal Services 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000011390-0.dat	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_RDP

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1021.001

Modifies Windows Firewall 2 TTPs 2 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3892	netsh.exe
592	netsh.exe

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
5088	takeown.exe
4228	icacls.exe

Sets service image path in registry 3 TTPs 2 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\System Volume Information\ImagePath = "c:\\System Volume Information\\userinit\\userinit.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\System Volume Information\ImagePath = "c:\\System Volume Information\\userinit\\userinit.exe"	regedit.exe

Executes dropped EXE 2 IoCs

pid	Process
2404	spri.exe
5152	System Idle Process

Impair Defenses: Safe Mode Boot 1 TTPs 4 IoCs

defense_evasion

Safe Mode Boot

T1562.009

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\System Volume Information\ = "Service"	regedit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Control\SafeBoot\Minimal\System Volume Information	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Control\SafeBoot\Minimal\System Volume Information\ = "Service"	regedit.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\System Volume Information	regedit.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5088	takeown.exe
4228	icacls.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System32\xpsp4res.scr	spri.exe
File created	C:\Windows\System32\System Idle Process	spri.exe
File created	C:\Windows\System32\sethc.exe	System Idle Process
File opened for modification	C:\Windows\System32\xpsp4res.scr	System Idle Process

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Executes a command shell one-liner 1 TTPs 3 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3184	cmd.exe
4976	cmd.exe
5180	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System Idle Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spri.exe

Runs regedit.exe 1 IoCs

pid	Process
3008	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2404	spri.exe
2404	spri.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeBackupPrivilege	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: SeRestorePrivilege	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: 33	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: SeIncBasePriorityPrivilege	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: 33	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: SeIncBasePriorityPrivilege	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
Token: SeBackupPrivilege	2404	spri.exe
Token: SeRestorePrivilege	2404	spri.exe
Token: 33	2404	spri.exe
Token: SeIncBasePriorityPrivilege	2404	spri.exe
Token: 33	2404	spri.exe
Token: SeIncBasePriorityPrivilege	2404	spri.exe
Token: 33	2404	spri.exe
Token: SeIncBasePriorityPrivilege	2404	spri.exe
Token: 33	2404	spri.exe
Token: SeIncBasePriorityPrivilege	2404	spri.exe
Token: 33	2404	spri.exe
Token: SeIncBasePriorityPrivilege	2404	spri.exe
Token: SeBackupPrivilege	5152	System Idle Process
Token: SeRestorePrivilege	5152	System Idle Process
Token: 33	5152	System Idle Process
Token: SeIncBasePriorityPrivilege	5152	System Idle Process
Token: 33	5152	System Idle Process
Token: SeIncBasePriorityPrivilege	5152	System Idle Process
Token: SeTakeOwnershipPrivilege	5088	takeown.exe
Token: 33	5152	System Idle Process
Token: SeIncBasePriorityPrivilege	5152	System Idle Process
Token: 33	5152	System Idle Process
Token: SeIncBasePriorityPrivilege	5152	System Idle Process

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2404	2440	2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe	89
PID 2404 wrote to memory of 3184	2404	spri.exe	90
PID 3184 wrote to memory of 5904	3184	cmd.exe	92
PID 3184 wrote to memory of 5960	3184	cmd.exe	93
PID 2404 wrote to memory of 4976	2404	spri.exe	94
PID 4976 wrote to memory of 5544	4976	cmd.exe	96
PID 4976 wrote to memory of 3200	4976	cmd.exe	97
PID 2404 wrote to memory of 3008	2404	spri.exe	98
PID 2404 wrote to memory of 5152	2404	spri.exe	100
PID 5152 wrote to memory of 5180	5152	System Idle Process	101
PID 5180 wrote to memory of 5088	5180	cmd.exe	103
PID 5180 wrote to memory of 4228	5180	cmd.exe	104
PID 5152 wrote to memory of 3892	5152	System Idle Process	105
PID 5152 wrote to memory of 592	5152	System Idle Process	107

C:\Users\Admin\AppData\Local\Temp\2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-23_1a8e92f4102c1c889d4866dfbfa7aab6_amadey_elex_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\spri.exe
  C:\Users\Admin\AppData\Local\Temp\spri.exe LOAD #102
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c echo y|cacls "c:\System Volume Information" /T /C /P everyone:f
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:3184
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo y"
      4⤵
      PID:5904
  - - C:\Windows\system32\cacls.exe
      cacls "c:\System Volume Information" /T /C /P everyone:f
      4⤵
      PID:5960
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c echo y|cacls "c:\System Volume Information" /C /P everyone:n
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo y"
      4⤵
      PID:5544
  - - C:\Windows\system32\cacls.exe
      cacls "c:\System Volume Information" /C /P everyone:n
      4⤵
      PID:3200
- - C:\Windows\regedit.exe
    C:\Windows\regedit.exe /s C:\Users\Admin\AppData\Local\Temp\setup.dll
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Modifies visibility of hidden/system files in Explorer
    - Sets service image path in registry
    - Impair Defenses: Safe Mode Boot
    - Runs regedit.exe
    PID:3008
- - \??\c:\windows\system32\System Idle Process
    "c:\windows\system32\System Idle Process"
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Modifies visibility of hidden/system files in Explorer
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5152
  - - \??\c:\windows\SYSTEM32\cmd.exe
      c:\windows\SYSTEM32\cmd.exe /c takeown /f C:\Windows\system32\sethc.exe && icacls C:\Windows\system32\sethc.exe /grant Admin:F
      4⤵
      Executes a command shell one-liner
      Suspicious use of WriteProcessMemory
      PID:5180
    - - C:\Windows\system32\takeown.exe
        
        takeown /f C:\Windows\system32\sethc.exe
        5⤵
        Possible privilege escalation attempt
        Modifies file permissions
        Suspicious use of AdjustPrivilegeToken
        
        PID:5088
    - - C:\Windows\system32\icacls.exe
        
        icacls C:\Windows\system32\sethc.exe /grant Admin:F
        5⤵
        Possible privilege escalation attempt
        Modifies file permissions
        
        PID:4228
  - - \??\c:\windows\SYSTEM32\netsh.exe
      c:\windows\SYSTEM32\netsh.exe firewall set opmode mode=disable
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:3892
  - - \??\c:\windows\SYSTEM32\netsh.exe
      c:\windows\SYSTEM32\netsh.exe advfirewall set allprofiles state off
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:592

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

2

T1546

Accessibility Features

1

T1546.008

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

2

T1546

Accessibility Features

1

T1546.008

Netsh Helper DLL

1

T1546.007

Defense Evasion

File and Directory Permissions Modification

1

T1222

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Safe Mode Boot

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Remote Services

1

T1021

Remote Desktop Protocol

1

T1021.001

Collection

Command and Control

Exfiltration

Impact

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Downloads

setup.dll

Path C:\Users\Admin\AppData\Local\Temp\setup.dll
Size 3KB
SHA256 9a440d7149e3f82c91af1d5bfd9317edd48f9ad15ea99be0f55a3fc162aa9668
MD5 4726c39715376659914f23ddd976459c
SHA1 55cc138accefca9a786f75056d6eaa40a5998b34
SHA512 4e17bfb807927d39cb02204f44b90ab4e25c852419044a2ed75d9e17c4b29ede579795ec2b73111eed27d9bc6b300fd28a819bcff5ba14a82a535a5dd65e55a0
TLSH
T12D7127B27E29C2EEC1E65C443B6AFD813225F09695CD8D0F45F4D80276D3C5686AF24B
MD5 SHA1 SHA512 TLSH

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setup.dll

Path C:\Users\Admin\AppData\Local\Temp\setup.dll
Size 758B
SHA256 8f3620a4dcd22f46b2e40c7112068d044dc28c38e539f0b20bf581514beef16b
MD5 4fbc55aa5bf8f28df6e38deac1989592
SHA1 b7fb7775a45b151b9efbe23725333aee504b9d68
SHA512 ee6edc292e73c858e18d03de9ee815d8178f4324b1e56dd8083072d169792a75e4f93de64a81e369806ee0e156cac837e792e20f3f57654b88a50e1114329d1c
TLSH
T1E301F2F23B19C2EED2E15D44BB29F9523160F1A34DCD880F25F0D846B6E7D16821F216
MD5 SHA1 SHA512 TLSH

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spri.exe

Path C:\Users\Admin\AppData\Local\Temp\spri.exe
Size 913KB
SHA256 a4566f5e2746321e4c9fb122096fbdd201befaca64bab761efb345268a26f594
MD5 1a8e92f4102c1c889d4866dfbfa7aab6
SHA1 f059c8d7ce18e6899ad19efba2375db1120690a6
SHA512 ff1c00314086bf2fb4bc9a9d8cef9052f5fb12fd09107a907ad9522026b8102f02b76a4f771aed8a4dc917ccfa8193c6064b8c09a68bd2557f9fcfa912fc9ff3
SSDEEP 12288:MfDp5kpM4EPCagq/VliujYEllspomgNwfJ/Mf53G+CfhEgC4skeAd/r1ZjiLAlC+:WkpOP+iVliUYEQpTgNwIVKSnmyLAlg
TLSH
T1C615CF73B1D28833D57210B0455957156BBBF9320438FE8B27D49E4D6FB8AC29A2A733
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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